Cigarette smoking worsens systemic inflammation in persons with metabolic syndrome

Omar Jamal, Ehimen C. Aneni, Sameer Shaharyar, Shozab S. Ali, Don Parris, John W. McEvoy, Emir Veledar, Michael J. Blaha, Roger S. Blumenthal, Arthur S. Agatston, Raquel D. Conceição, Theodore Feldman, Jose A. Carvalho, Raul D. Santos, Khurram Nasir

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Background: Emerging data suggests that the combination of smoking and metabolic syndrome (MetS) markedly increases cardiovascular disease risk well beyond that of either condition. In this study we assess if this interaction can be explained by an additive increase in the risk of systemic inflammation by MetS and cigarette smoking. Methods. We evaluated 5,503 healthy non-diabetic Brazilian subjects (mean age of 43 ± 10 years, 79% males). Participants were divided into sub-groups of smokers and non-smokers with or without MetS. High-sensitivity C reactive protein (hs-CRP) was measured to assess degree of underlying inflammation. Results: Overall (19%) had hs-CRP > 3 mg/L. In adjusted regression analyses, compared to non-smokers, there was a 0.19 mg/L (95% CI: 0.05, 0.32) increase in hs-CRP among smokers in the entire population and 0.63 mg/L (95% CI: 0.26, 1.01) increase among smokers with MetS while there was no significant increase among smokers without MetS (β = 0.09 95% CI: -0.05, 0.24). In a fully adjusted logistic regression model, smokers compared to non-smokers were 55% more likely to have elevated hs-CRP in the entire population (OR 1.55, 95% CI: 1.25, 1.92) and more than twice as likely to have elevated hs-CRP if they had MetS (OR 2.05, 95% CI: 1.40, 3.01) while the risk was non-significant among those without MetS (OR = 1.29, 95% CI: 0.98, 1.69). Conclusion: The study demonstrates an additive effect of cigarette smoking on the risk of systemic inflammation in MetS thus highlighting the need for determining smoking status among those with MetS and aggressively targeting smoking cessation in this population.

Original languageEnglish
Article number79
JournalDiabetology and Metabolic Syndrome
Volume6
Issue number1
DOIs
StatePublished - Jul 16 2014
Externally publishedYes

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Smoking
Inflammation
C-Reactive Protein
Logistic Models
Population
Smoking Cessation
Cardiovascular Diseases
Regression Analysis

Keywords

  • Cardiovascular disease risk
  • Cigarette smoking
  • High sensitivity C-reactive protein
  • Metabolic syndrome
  • Systemic inflammation

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Internal Medicine

Cite this

Jamal, O., Aneni, E. C., Shaharyar, S., Ali, S. S., Parris, D., McEvoy, J. W., ... Nasir, K. (2014). Cigarette smoking worsens systemic inflammation in persons with metabolic syndrome. Diabetology and Metabolic Syndrome, 6(1), [79]. https://doi.org/10.1186/1758-5996-6-79

Cigarette smoking worsens systemic inflammation in persons with metabolic syndrome. / Jamal, Omar; Aneni, Ehimen C.; Shaharyar, Sameer; Ali, Shozab S.; Parris, Don; McEvoy, John W.; Veledar, Emir; Blaha, Michael J.; Blumenthal, Roger S.; Agatston, Arthur S.; Conceição, Raquel D.; Feldman, Theodore; Carvalho, Jose A.; Santos, Raul D.; Nasir, Khurram.

In: Diabetology and Metabolic Syndrome, Vol. 6, No. 1, 79, 16.07.2014.

Research output: Contribution to journalArticle

Jamal, O, Aneni, EC, Shaharyar, S, Ali, SS, Parris, D, McEvoy, JW, Veledar, E, Blaha, MJ, Blumenthal, RS, Agatston, AS, Conceição, RD, Feldman, T, Carvalho, JA, Santos, RD & Nasir, K 2014, 'Cigarette smoking worsens systemic inflammation in persons with metabolic syndrome', Diabetology and Metabolic Syndrome, vol. 6, no. 1, 79. https://doi.org/10.1186/1758-5996-6-79
Jamal, Omar ; Aneni, Ehimen C. ; Shaharyar, Sameer ; Ali, Shozab S. ; Parris, Don ; McEvoy, John W. ; Veledar, Emir ; Blaha, Michael J. ; Blumenthal, Roger S. ; Agatston, Arthur S. ; Conceição, Raquel D. ; Feldman, Theodore ; Carvalho, Jose A. ; Santos, Raul D. ; Nasir, Khurram. / Cigarette smoking worsens systemic inflammation in persons with metabolic syndrome. In: Diabetology and Metabolic Syndrome. 2014 ; Vol. 6, No. 1.
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AU - Aneni, Ehimen C.

AU - Shaharyar, Sameer

AU - Ali, Shozab S.

AU - Parris, Don

AU - McEvoy, John W.

AU - Veledar, Emir

AU - Blaha, Michael J.

AU - Blumenthal, Roger S.

AU - Agatston, Arthur S.

AU - Conceição, Raquel D.

AU - Feldman, Theodore

AU - Carvalho, Jose A.

AU - Santos, Raul D.

AU - Nasir, Khurram

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N2 - Background: Emerging data suggests that the combination of smoking and metabolic syndrome (MetS) markedly increases cardiovascular disease risk well beyond that of either condition. In this study we assess if this interaction can be explained by an additive increase in the risk of systemic inflammation by MetS and cigarette smoking. Methods. We evaluated 5,503 healthy non-diabetic Brazilian subjects (mean age of 43 ± 10 years, 79% males). Participants were divided into sub-groups of smokers and non-smokers with or without MetS. High-sensitivity C reactive protein (hs-CRP) was measured to assess degree of underlying inflammation. Results: Overall (19%) had hs-CRP > 3 mg/L. In adjusted regression analyses, compared to non-smokers, there was a 0.19 mg/L (95% CI: 0.05, 0.32) increase in hs-CRP among smokers in the entire population and 0.63 mg/L (95% CI: 0.26, 1.01) increase among smokers with MetS while there was no significant increase among smokers without MetS (β = 0.09 95% CI: -0.05, 0.24). In a fully adjusted logistic regression model, smokers compared to non-smokers were 55% more likely to have elevated hs-CRP in the entire population (OR 1.55, 95% CI: 1.25, 1.92) and more than twice as likely to have elevated hs-CRP if they had MetS (OR 2.05, 95% CI: 1.40, 3.01) while the risk was non-significant among those without MetS (OR = 1.29, 95% CI: 0.98, 1.69). Conclusion: The study demonstrates an additive effect of cigarette smoking on the risk of systemic inflammation in MetS thus highlighting the need for determining smoking status among those with MetS and aggressively targeting smoking cessation in this population.

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